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Thread: Sigma (18-50)F2.8 Vs Tamron (17-50)F2.8 Vs Canon IS(18-55) F3.5-5.6

  1. #1

    Default Sigma (18-50)F2.8 Vs Tamron (17-50)F2.8 Vs Canon IS(18-55) F3.5-5.6

    I'm looking for a lens to replace my Canon, I'm finding my lens abit too slow in terms of lighting conditions.

    I have read through the reviews of both Sigma & Tamron lens, but I'm still stuck in choosing which lens will be a better buy.

    1 issue is that both Sigma & Tamron have no IS, so does a lower F-stop help to balance out the IS factor?

    Another thing I'm wondering over is the focal length. Is there a big difference between 17-50 & 18-55?

    Which lens is sharper at the longest focal length for Tamron & Sigma?
    Olympus EM-5 | 12-50mm | 14mm | Canon 17-55mm | 430EX

  2. #2

    Default Re: Sigma (18-50)F2.8 Vs Tamron (17-50)F2.8 Vs Canon IS(18-55) F3.5-5.6

    The Tamron 17-50mm F/2.8 is very popular. Great value for money lens. I'm considering buying one too.

    I don't think 5mm makes much of a difference...

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